Final answer:
The average depths of the three deepest oceans, from least deep to deepest, are -2.44 miles, -2.46 miles, and -2.88 miles.
Step-by-step explanation:
The three deepest oceans, listed from least deep to deepest, are the Arctic Ocean with an average depth of -2.44 miles, the Atlantic Ocean with an average depth of -2.46 miles, and the Indian Ocean with an average depth of -2.88 miles.